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show tables works

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This commit is contained in:
chrislu
2025-09-01 01:25:54 -07:00
parent aa883472a5
commit 3e54e7356c
3 changed files with 53 additions and 27 deletions
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14
weed/query/engine/engine.go
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@@ -41,6 +41,11 @@ func NewSQLEngine(masterAddress string) *SQLEngine {
}
}
// GetCatalog returns the schema catalog for external access
func (e *SQLEngine) GetCatalog() *SchemaCatalog {
return e.catalog
}
// ExecuteSQL parses and executes a SQL statement
// Assumptions:
// 1. All SQL statements are MySQL-compatible via xwb1989/sqlparser
@@ -823,11 +828,12 @@ func (e *SQLEngine) showDatabases(ctx context.Context) (*QueryResult, error) {
}
func (e *SQLEngine) showTables(ctx context.Context, dbName string) (*QueryResult, error) {
// Assumption: If no database specified, use default or return error
// Use current database context if no database specified
if dbName == "" {
// TODO: Implement default database context
// For now, use 'default' as the default database
dbName = "default"
dbName = e.catalog.GetCurrentDatabase()
if dbName == "" {
dbName = "default"
}
}
tables, err := e.catalog.ListTables(dbName)